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GRB 241229B

Time: 04:13:05
Trigger Number: 1277428
Burst Advocate: Antonino D'Ai

BAT Data:

RA: a 274.140
18:16:33.6
Dec: a 74.694
74:41:38.4
90% Error Radius: b 1.2
T90: c 5.05
Fluence: d 7.0 (0.6)
1s Peak Photon Flux: e 4.0 (0.3)
Photon Index: f 0.93, CPL (0.50)

90% error in parentheses,
a J2000; b arcmin; c seconds; d 10-7 erg/cm2 (15-150 keV); e ph/cm2/sec (15-150 keV); f PL = simple power-law, CPL = cutoff power-law (15-150 keV)

XRT Data:

RA: a 18:16:42.26
Dec: a 74:40:60.0
90% Error Radius: b 6.8
Time to First Observation: c n/a
Early Flux: d n/a
11 Hour Flux: d 0.0218273175
24 Hour Flux: d 0.0050137479
Initial Temporal Index: -1.885
Spectral Index (Gamma): 2.070872871
Column Density (NH): e 1.2783512124

Note: Please be aware that only the very basic temporal and spectral quantities are reported here. You are strongly encouraged to see the referenced GCN circulars for full details.
a J2000; b arcsec; c seconds; d 10-11 erg/cm2/s (0.3-10 keV); e 1021 cm-2

» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra

UVOT Data:

RA: a n/a
Dec: a n/a
90% Error Radius: b n/a
Time to First Observation: c n/a
V Magnitude: V>20.0
Other Filter Magnitudes: B>21.5
U>20.3
UVW1>21.0
UVW2>21.2
White>20.9

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
SVOM/GRM

Comments:

Due to an observing constraint, Swift did not immediately slew to the BAT position.
UVOT: no detection

References:

BAT: GCN 38699; GCN 38721
XRT: GCN 38708; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 38717
Radio:
Redshift:
Host:
Other: